CBSE Guess > Papers > Question Papers > Class X > 2009 > Mathematics > Mathematics
Q. 8. The length of a minor arc is 
of the circumference of the circle. Write the measure of the angle subtended by the arc at the centre of the circle.
Ans. 80°
Sol .Length of a minor arc
=2/9circumferenceof a circle …….(Given
Q. 9. State Euclid’s division lemma for two positive integers a and b. 1
Sol. Given positive integers a and b there exist
unique integers q and r satisfying a = bq + r, a ≤ r < b
Q. 10. The diameter and height of a cylinder and a cone are equal. Write the ratio of volume of cylinder to the volume of the cone. 1
Sol. Let radii of both cylinder and cone = r
and height of both cylinder and cone = h
SECTION B
Questions number 11 to 15 carry 2 marks each.
Q. 11. What real number should be subtracted from the polynomial 3x3 + 10x2 – 14x + 9 so that the polynomial 3x – 2 divides it exactly?
Sol.
5 should be subtracted from 3x3 + 10x2– 14x + 9 So that the polynomial (3x – 2) divides it exactly
| Mathematics 2009 Question Papers Class X | |||||||||
| Delhi | Outside Delhi | Compartment Delhi | Outside Delhi | Foreign | |||||
 |
Set 1 (PDF) | |
Set 1 (PDF) | |
Set 1 | |
Set 1 | |
Set 1 (PDF) |
|
Set 2 | |
Set 2 | ||||||
|
Set 3 | |
Set 3 | ||||||
Warning: include_once(../../../../../120_60_others.php): Failed to open stream: No such file or directory in /home/cbseguess/public_html/papers/question_papers/x/2009/comp_papers/2009_math_comp_outside_del_set2c.php on line 47
Warning: include_once(): Failed opening '../../../../../120_60_others.php' for inclusion (include_path='.:/opt/cpanel/ea-php83/root/usr/share/pear') in /home/cbseguess/public_html/papers/question_papers/x/2009/comp_papers/2009_math_comp_outside_del_set2c.php on line 47